Mega Code Archive
Application version number
<![CDATA[
How to get the version number of an application at runtime
unit GetVersionInfo;
interface
uses
Windows, Classes, SysUtils;
procedure GetProjectVersionInfo(AVersionList: TStrings; AFileName: string = '');
function GetBuildInfo(var V1, V2, V3, V4: Word; AFileName: string = ''): Boolean;
function GetBuildInfoAsString(AFileName: string = ''): string;
implementation
type
PTransBuffer = ^TTransBuffer;
TTransBuffer = array[1..13] of smallint;
const
CInfoStr : array[1..13] of string =
('FileVersion',
'CompanyName',
'FileDescription',
'InternalName',
'LegalCopyright',
'LegalTradeMarks',
'OriginalFileName',
'ProductName',
'ProductVersion',
'Comments',
'CurrentProgramVersion',
'CurrentDatabaseVersion',
'VersionDetails');
procedure GetProjectVersionInfo(AVersionList: TStrings; AFileName: string = '');
{
This procedure returns ALL of the version information as separate
string entries of a TString list. Each element can then be accessed
by indexing the TString list thus: AVersionList[0], AVersionList[1] etc..
}
var
I: Integer;
InfoSize: DWORD;
pTrans: PTransBuffer;
TransStr: string;
TypeStr: string;
Value: PChar;
VerBuf: pointer;
VerSize: DWORD;
Wnd: DWORD;
begin
AVersionList.Clear;
if AFileName = '' then
AFileName := ParamStr(0);
InfoSize := GetFileVersioninfoSize(PChar(AFileName), Wnd);
if (InfoSize <> 0) then
begin
GetMem(VerBuf, InfoSize);
try
if GetFileVersionInfo(PChar(AFileName), Wnd, InfoSize, VerBuf) then
begin
VerQueryValue(VerBuf, PChar('\VarFileInfo\Translation'),
Pointer(pTrans), VerSize);
TransStr := IntToHex(pTrans^[1], 4) + IntToHex(pTrans^[2], 4);
for i := Low(CInfoStr) to High(CInfoStr) do
begin
TypeStr := 'StringFileInfo\' + TransStr + '\' + CInfoStr[I];
if VerQueryvalue(VerBuf, PChar(TypeStr),
Pointer(Value), VerSize) then
AVersionList.Add(CInfoStr[I] + '=' + Value);
end
end;
finally
FreeMem(VerBuf);
end;
end;
end;
function GetBuildInfo(var V1, V2, V3, V4: Word; AFileName: string = ''): Boolean;
{
This procedure returns the individual Major/Minor/Release/Build
values of the version information.
}
var
VerInfoSize: DWORD;
VerInfo: Pointer;
VerValueSize: DWORD;
VerValue: PVSFixedFileInfo;
Dummy: DWORD;
begin
Result := True;
if AFileName = '' then
AFileName := ParamStr(0);
VerInfoSize := GetFileVersionInfoSize(PChar(AFileName), Dummy);
if VerInfoSize = 0 then
begin
Result := False;
Exit;
end;
GetMem(VerInfo, VerInfoSize);
try
GetFileVersionInfo(PChar(AFileName), 0, VerInfoSize, VerInfo);
VerQueryValue(VerInfo, '\', Pointer(VerValue), VerValueSize);
with VerValue^ do
begin
V1 := dwFileVersionMS shr 16;
V2 := dwFileVersionMS and $FFFF;
V3 := dwFileVersionLS shr 16;
V4 := dwFileVersionLS and $FFFF;
end;
finally
FreeMem(VerInfo, VerInfoSize);
end;
end;
function GetBuildInfoAsString(AFileName: string = ''): string;
var
V1: Word;
V2: Word;
V3: Word;
V4: Word;
begin
if GetBuildInfo(V1, V2, V3, V4) then
Result := Format('%d.%d.%d.%d', [V1, V2, V3, V4])
else
Result := '';
end;
end.
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